Planets
Astronomical Instruments
Ancient Astronomers
Forces
Space Junk
100
This is the planet that we live on.
What is Earth?
100
This chart was used to study the stars.
What is a star chart?
100
This person came up with the theory of relativity.
Who was Albert Einstein?
100
This force keeps us on planet Earth.
What is gravity?
100
This is the name for a meteor that reaches Earth's surface.
What is a meteorite?
200
This is the largest planet in our solar system.
What is Jupiter?
200
This instrument is not commonly used for astronomy but for bird watching.
What are binoculars?
200
Who was Steven Hawking?
200
This force slows down objects as they rub against other objects.
What is friction?
200
This "belt" is located between Jupiter and Mars.
What is the Asteroid Belt?
300
Before 2006, this now-dwarf planet was considered a planet.
What is Pluto?
300
This telescope proved that the universe is expanding.
What is the Hubble Space Telescope.
300
This man wrote the three laws of gravity.
Who is Sir Isaac Newton?
300
This force gives you the tendency to do nothing.
What is inertia?
300
Sputnik 1 was the first artificial one of these.
What is a satellite?
400
This is the term for a planet in a different solar system.
What is an exoplanet?
400
This astronomical instrument was invented by Hans Lippershey.
What is the telescope?
400
This astronomer was rumored to have murdered his boss, Tycho Brahe.
Who is Johannes Kepler?
400
This is the force that causes your glass of water to spill when your hand knocks into it.
What is a normal force?
400
This comet can be seen every 76 years.
What is the Halley's Comet.
500
This is the largest object in the asteroid belt.
What is Ceres?
500
Ancient mariners traveled by the stars using these navigational instruments.
What are sextants?
500
One of this ancient astronomer's signs is an armillary sphere.
Who is Nicolaus Copernicus?
500
This is the only force that can be turned on or off.
What is electromagnetism?
500
This is the name of the crater caused by the meteor impact that is thought to have killed off the dinosaurs.
What is the Chicxulub Crater?